SOLUTION: if tan theta = 1, find sec theta if cos theta= -4/5, find sin theta

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Question 619004: if tan theta = 1, find sec theta
if cos theta= -4/5, find sin theta
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


If , then where

Check the unit circle to find and , recalling that is the -coordinate of the point on the circle intersected by the terminal ray of the angle.

Secant is the reciprocal of cosine.



John

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